postgresql query tool

I need query tool, which has one simple function - to be able to execute different queries not commending out another queries. This is so annoying, how those another software can not have this simple feature, like pgadmn does not have (I guess), dreamcoder does not have, have just tried Database .NET - it also does not have this feature. I am sick of it, please help. Or have I myself write this software?

I remember sqlyog - it was almost perfect but it does not support postgre :(

If you're in one of those predicaments where cls.__private attributes just aren't enough since they can easily be accessed through inst._cls__private, and you need something a little more secure, here's ...